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This article brings you an introduction to the use of WeChat jssdk logic in vue (code examples). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Simple use of WeChat jssdk in vue
import wx from 'weixin-js-sdk'; wx.config({ debug: true, appId: '', timestamp: , nonceStr: '', signature: '', jsApiList: [] }); wx.ready(() => { // do something... }); wx.error((err) => { // do something... });
The above is the example code given by WeChat official, but for actual project use, it is still The code needs to be further encapsulated. This article demonstrates based on vue, and the same applies to other frameworks.
It has been pointed out in the official document of the WeChat public platform that due to security considerations, the signature logic needs to be processed on the backend, so the principle of signature will not be described in detail here. It mainly talks about how to use the signature returned by the backend. Call jssdk. At the logical level, since the wx.config method is required before calling any interface, we can extract it as much as possible and place it separately.
# utils/ . ├── common.js # 通用函数 └── lib └── wechat # 微信相关代码 ├── auth # 微信用户登陆获取信息相关代码 │ ├── auth.js │ └── index.js ├── config # jssdk 初始化相关代码 │ └── index.js ├── helper.js # 微信相关操作 └── share # 分享接口相关代码 └── index.js
import sdk from 'weixin-js-sdk'; export function initSdk({ appid, timestamp, noncestr, signature, jsApiList }) { // 从后端获取 sdk.config({ debug: process.env.VUE_APP_ENV !== 'production', appId: appid, timestamp: timestamp, nonceStr: noncestr, signature: signature, jsApiList: jsApiList }); }
In this way, the initialization of jssdk
can be completed, and then the sharing interface can be initialized. At the beginning, I wanted to share that since it is possible to correspond to every url
page (view
in the SPA
application), then it should be in view
was written using mixin
mixed in, so the first version of the implementation was produced.
// example.vue export default { name: 'example', wechatShareConfig() { return { title: 'example', desc: 'example desc', imgUrl: 'http://xxx/example.png', link: window.location.href.split('#')[0] }; } }
// wechatMixin.js import { share } from '@/utils/lib/wechat/share'; // 获取 wechat 分享接口配置 function getWechatShareConfig(vm) { const { wechatShareConfig } = vm.$options; if (wechatShareConfig) { return typeof wechatShareConfig === 'function' ? wechatShareConfig.call(vm) : wechatShareConfig; } } const wechatShareMixin = { created() { const wechatShareConfig = getWechatShareConfig(this); if (wechatShareConfig) { share({ ...wechatShareConfig }); } } }; export default wechatShareMixin;
// utils/lib/wechat/share import { getTicket } from '@/utils/lib/wechat/helper'; // 签名接口 import { initSdk } from '@/utils/lib/wechat/config'; import sdk from 'weixin-js-sdk'; // 接口清单 const JS_API_LIST = ['onMenuShareAppMessage', 'onMenuShareTimeline']; // 消息分享 function onMenuShareAppMessage(config) { const { title, desc, link, imgUrl } = config; sdk.onMenuShareAppMessage({ title, desc, link, imgUrl }); } // 朋友圈分享 function onMenuShareTimeline(config) { const { title, link, imgUrl } = config; sdk.onMenuShareTimeline({ title, link, imgUrl }); } export function share(wechatShareConfig) { if (!wechatShareConfig.link) return false; // 签名验证 getTicket(wechatShareConfig.link).then(res => { // 初始化 `jssdk` initSdk({ appid: res.appid, timestamp: res.timestamp, noncestr: res.noncestr, signature: res.signature, jsApiList: JS_API_LIST }); sdk.ready(() => { // 初始化目标接口 onMenuShareAppMessage(wechatShareConfig); onMenuShareTimeline(wechatShareConfig); }); }); }
After writing it, there seems to be nothing wrong at first glance, but each view
folder has a WeChat configuration for .vue
which seems very bloated, so The second version of the implementation places the jssdk
initialization in the beforeEach
hook of vue-router
, so that unified configuration of the shared configuration can be achieved, which is more intuitive. .
// router.js //... routes: [ { path: '/', component: Example, meta: { wechat: { share: { title: 'example', desc: 'example desc', imgUrl: 'https://xxx/example.png' } } } } ] //... // 初始化分享接口 function initWechatShare (config) { if (config) { share(config); } } router.beforeEach((to, from, next) => { const { shareConfig } = to.meta && to.meta.wechat; const link = window.location.href; if (!shareConfig) next(); initWechatShare({ ...shareConfig, link }); switchTitle(shareConfig.title); // 切换标题 next(); });
In this way, .vue will look much cleaner and there will not be too much code other than business logic.
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